pfSense Router Guide
pfSense Network Security

pfSense Firewall Appliance Sizer

Determine required CPU cores, pf state table memory (RAM), Snort IDS/IPS ruleset footprint, and WireGuard VPN encrypted throughput.

Recommended RAM
8 GB
Minimum CPU Cores
4 Cores (AES-NI)
Max WireGuard Throughput
2.1 Gbps